Global Patent Index - EP 2026900 A1

EP 2026900 A1 2009-02-25 - AERATING DEVICE FOR A WATER FILTERING SYSTEM WITH IMMERSED MEMBRANES, INCLUDING A FLOOR PROVIDED WITH MEANS FOR INJECTING A GAS AND AT LEAST ONE PRESSURE BALANCING SYSTEM

Title (en)

AERATING DEVICE FOR A WATER FILTERING SYSTEM WITH IMMERSED MEMBRANES, INCLUDING A FLOOR PROVIDED WITH MEANS FOR INJECTING A GAS AND AT LEAST ONE PRESSURE BALANCING SYSTEM

Title (de)

BELÜFTUNGUNGSVORRICHTUNG FÜR EIN WASSERFILTRATIONSSYSTEM MIT UNTERGETAUCHTEN MEMBRANEN MIT EINEM MIT MITTELN ZUR INJEKTION EINES GASES UND MINDESTENS EINEM DRUCKAUSGLEICHSSYSTEM AUSGESTATTETEN BODEN

Title (fr)

DISPOSITIF D'AERATION POUR SYSTEME DE FILTRATION D'EAU A MEMBRANES IMMERGEES, INCLUANT UN PLANCHER POURVU DE MOYENS D'INJECTION D'UN GAZ ET D'AU MOINS UN SYSTEME D'EQUILIBRAGE DES PRESSIONS

Publication

EP 2026900 A1 (FR)

Application

EP 07729262 A

Priority

  • EP 2007054815 W
  • FR 0604616 A

Abstract (en)

[origin: WO2007135087A1] The invention concerns an aerating device for a water filtering system with immersed membranes (9) designed to be installed substantially beneath said membranes (9). The invention is characterized in that it comprises a floor (1) separating an upper chamber wherein said membranes are immersed and a lower chamber comprising means for feeding a liquid to be treated and means for feeding an aerating gas, said floor being provided with plural strainers (2) and with at least one system (5) for balancing pressures between said upper and lower chambers, and in that each strainer (2) includes a substantially tubular element (13) passing through said floor and having in its upper part at least one orifice (4), and an air chamber forming element (3) mounted atop said upper part.

IPC 8 full level (invention and additional information)

B01D 61/20 (2006.01); B01D 61/18 (2006.01); B01D 65/02 (2006.01); C02F 3/12 (2006.01); C02F 3/20 (2006.01)

CPC (invention and additional information)

B01D 61/20 (2013.01); B01D 61/18 (2013.01); B01D 65/02 (2013.01); B01D 65/08 (2013.01); C02F 3/1273 (2013.01); B01D 2201/087 (2013.01); B01D 2321/185 (2013.01); Y02W 10/15 (2015.05)

Citation (search report)

See references of WO 2007135087A1

Designated contracting state (EPC)

AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR

Designated extension state (EPC)

AL BA HR MK RS

EPO simple patent family

WO 2007135087 A1 20071129; AR 061079 A1 20080730; CA 2650694 A1 20071129; CN 101448562 A 20090603; EP 2026900 A1 20090225; FR 2901488 A1 20071130; FR 2901488 B1 20080815; JP 2009537317 A 20091029; TW 200815094 A 20080401; US 2009255872 A1 20091015

INPADOC legal status


2011-05-18 [18D] APPLICATION DEEMED TO BE WITHDRAWN

- Effective date: 20101201

2009-05-20 [17Q] FIRST EXAMINATION REPORT

- Effective date: 20090420

2009-02-25 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 20081016

2009-02-25 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A1

- Designated State(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR

2009-02-25 [AX] REQUEST FOR EXTENSION OF THE EUROPEAN PATENT TO:

- Countries: AL BA HR MK RS